1312130212002 has 24 divisors (see below), whose sum is σ = 2847342865536. Its totient is φ = 436700726136.

The previous prime is 1312130211971. The next prime is 1312130212009. The reversal of 1312130212002 is 2002120312131.

1312130212002 is a `hidden beast` number, since 1 + 312 + 130 + 21 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1312130212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56322298 + ... + 56345589.

It is an arithmetic number, because the mean of its divisors is an integer number (118639286064).

Almost surely, 2^{1312130212002} is an apocalyptic number.

1312130212002 is an abundant number, since it is smaller than the sum of its proper divisors (1535212653534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312130212002 is a wasteful number, since it uses less digits than its factorization.

1312130212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112668542 (or 112668539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1312130212002 its reverse (2002120312131), we get a palindrome (3314250524133).

The spelling of 1312130212002 in words is "one trillion, three hundred twelve billion, one hundred thirty million, two hundred twelve thousand, two".